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Established in 2001, Puyang Zhong Yuan Restar Petroleum Equipment Co.,Ltd, “RSD” for short, is Henan’s high-tech enterprise with intellectual property advantages and independent legal person qualification. With registered capital of RMB 50 million, the Company has two subsidiaries-Henan Restar Separation Equipment Technology Co., Ltd We are mainly specialized in R&D, production and service of various intelligent separation and control systems in oil&gas drilling,engineering environmental protection and mining industries.We always take the lead in Chinese market shares of drilling fluid shale shaker for many years. Our products have been exported more than 20 countries and always extensively praised by customers. We are Class I network supplier of Sinopec,CNPC and CNOOC and registered supplier of ONGC, OIL India,KOC. High quality and international standard products make us gain many Large-scale drilling fluids recycling systems for Saudi Aramco and Gazprom projects.

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rsdgj@pyzyrsd.com

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drilling rig for sale
pH - FANN®
pH - FANN®

The term ",pH," denotes the negative logarithm of the hydrogen ion, H+, activity in aqueous solutions: ,pH, = -log (H+) Field measurement of ,drilling fluid, or filtrate ,pH, and adjustments to the ,pH, are fundamental to ,drilling fluid, control.

(PDF) Formulation of Water-Based Drilling Fluid Using ...
(PDF) Formulation of Water-Based Drilling Fluid Using ...

The pH Formulation of Water-based Drilling Fluid Using Local Materials meter probe was immersed in the mud sample and at steady pH value indicated on the meter. This was recorded as the pH value of the mud sample.Rheological Properties: The rotational viscometer provides a more meaningful measurement of the rheological characteristics of the drilling mud compared to marsh funnel (Bourgoyne, et al., 1986).

Drilling Knowledge: pH in the drilling mud
Drilling Knowledge: pH in the drilling mud

PH, is a value representing the concentration of hydrogen ions in the liquid. We use it to indicate the acidity or alkalinity of the ,drilling mud, in particular water-based mud.General talk ,pH,.The ,pH, is presented in a numerical value (0-14) which means an inverse measure of the concentration of …

Drilling fluid types - PetroWiki
Drilling fluid types - PetroWiki

2/6/2015, · Scavenger and inhibitor treatments should be designed to counteract both gases if an influx occurs because of underbalanced ,drilling, conditions. Maintaining a high ,pH, helps control H 2 S and CO 2, and prevents bacteria from souring the ,drilling fluid,.

The Importance of High Quality HDD Drilling Fluids ...
The Importance of High Quality HDD Drilling Fluids ...

It is critical to maintain the proper pH of drilling fluids to ensure optimal performance. In HDD projects pH should be maintained between 8 and 9. Soda Ash is the simplest means of raising the pH level.

pH Analysis - OFI Testing Equipment Inc.
pH Analysis - OFI Testing Equipment Inc.

Field measurements of ,drilling fluid, and filtrate ,pH, are fundamental to ,drilling fluid, control. Clay interactions, solubility of components and contaminants, and overall effectiveness of additives are all dependent upon ,pH,. Acidic and sulfide corrosion control is also closely monitored by keeping a close watch on ,pH, values.

pH-Responsive Water-Based Drilling Fluids Containing ...
pH-Responsive Water-Based Drilling Fluids Containing ...

Effect of ,drilling, mud bentonite contents on the ,fluid, loss and filter cake formation on a field clay soil formation compared to the API ,fluid, loss method and characterized using Vipulanandan models. Journal of Petroleum Science and Engineering 2020, 189 , 107029.

Drilling fluid types - PetroWiki
Drilling fluid types - PetroWiki

2/6/2015, · Scavenger and inhibitor treatments should be designed to counteract both gases if an influx occurs because of underbalanced ,drilling, conditions. Maintaining a high ,pH, helps control H 2 S and CO 2, and prevents bacteria from souring the ,drilling fluid,.

pH-Responsive Water-Based Drilling Fluids Containing ...
pH-Responsive Water-Based Drilling Fluids Containing ...

Effect of ,drilling, mud bentonite contents on the ,fluid, loss and filter cake formation on a field clay soil formation compared to the API ,fluid, loss method and characterized using Vipulanandan models. Journal of Petroleum Science and Engineering 2020, 189 , 107029.

Research on the effect of drilling fluid’s pH value on the ...
Research on the effect of drilling fluid’s pH value on the ...

Drilling fluid, contacts with the surface of coal and fractures fully during the ,drilling, process for CBM, its ,pH, has direct impact on the wettability of coal, affecting the seepage of CBM further (Zhang and Wang 2000).Therefore, the ,drilling fluid,’s ,pH, value is an important performance index, and it is an important subject to do research about ,the effect of drilling fluid’s pH, value on the ...

(PDF) .2 [Drilling fluid properties] Experiment conducted ...
(PDF) .2 [Drilling fluid properties] Experiment conducted ...

Azzar, J. J and Lummus, J. L. (1975) The Effect of ,Drilling Fluid pH, on Drill Pipe Corrosion Fatigue Performance: Paper presented at the SPE fall meeting (No. 5516-MS). [Online] Advertisement

Glossary of Common Drilling Fluid Additives and Chemicals ...
Glossary of Common Drilling Fluid Additives and Chemicals ...

pH, Control Agents The ,pH, value represents the alkalinity of ,fluid, and ranges from zero to 14, with a ,pH, of seven considered neutral. Fluids above seven are considered alkaline and fluids below seven are considered acidic. When mixed with water, many ,drilling fluid, additives are designed to function within a ,pH, range of 8.5 to 10.

Glossary of Common Drilling Fluid Additives and Chemicals ...
Glossary of Common Drilling Fluid Additives and Chemicals ...

pH, Control Agents The ,pH, value represents the alkalinity of ,fluid, and ranges from zero to 14, with a ,pH, of seven considered neutral. Fluids above seven are considered alkaline and fluids below seven are considered acidic. When mixed with water, many ,drilling fluid, additives are designed to function within a ,pH, range of 8.5 to 10.

Drilling Knowledge: pH in the drilling mud
Drilling Knowledge: pH in the drilling mud

PH, is a value representing the concentration of hydrogen ions in the liquid. We use it to indicate the acidity or alkalinity of the ,drilling mud, in particular water-based mud.General talk ,pH,.The ,pH, is presented in a numerical value (0-14) which means an inverse measure of the concentration of …

pH Analysis - OFI Testing Equipment Inc.
pH Analysis - OFI Testing Equipment Inc.

Field measurements of ,drilling fluid, and filtrate ,pH, are fundamental to ,drilling fluid, control. Clay interactions, solubility of components and contaminants, and overall effectiveness of additives are all dependent upon ,pH,. Acidic and sulfide corrosion control is also closely monitored by keeping a close watch on ,pH, values.

pH - FANN®
pH - FANN®

The term ",pH," denotes the negative logarithm of the hydrogen ion, H+, activity in aqueous solutions: ,pH, = -log (H+) Field measurement of ,drilling fluid, or filtrate ,pH, and adjustments to the ,pH, are fundamental to ,drilling fluid, control.

(PDF) .2 [Drilling fluid properties] Experiment conducted ...
(PDF) .2 [Drilling fluid properties] Experiment conducted ...

Azzar, J. J and Lummus, J. L. (1975) The Effect of ,Drilling Fluid pH, on Drill Pipe Corrosion Fatigue Performance: Paper presented at the SPE fall meeting (No. 5516-MS). [Online] Advertisement

Research on the effect of drilling fluid’s pH value on the ...
Research on the effect of drilling fluid’s pH value on the ...

Drilling fluid, contacts with the surface of coal and fractures fully during the ,drilling, process for CBM, its ,pH, has direct impact on the wettability of coal, affecting the seepage of CBM further (Zhang and Wang 2000).Therefore, the ,drilling fluid,’s ,pH, value is an important performance index, and it is an important subject to do research about ,the effect of drilling fluid’s pH, value on the ...

(PDF) Formulation of Water-Based Drilling Fluid Using ...
(PDF) Formulation of Water-Based Drilling Fluid Using ...

The pH Formulation of Water-based Drilling Fluid Using Local Materials meter probe was immersed in the mud sample and at steady pH value indicated on the meter. This was recorded as the pH value of the mud sample.Rheological Properties: The rotational viscometer provides a more meaningful measurement of the rheological characteristics of the drilling mud compared to marsh funnel (Bourgoyne, et al., 1986).

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Road West, North Branch, Jingkai Road, Puyang City